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Ollie, Montana Weather Forecast
Ollie, Montana Weather
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Weather Forecast for Ollie, Montana : Fallon County
Issued: 1:08 am MST Dec 15, 2025 Latitude: 46.5847321 Longitude: -104.0846545 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Cloudy on Overnight Mostly Sunny on Monday Sunny on Tuesday 30% chance of rain & snow on Wednesday Mostly Sunny on Thursday 20% chance of rain & snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
Low: 29°F High: 43°F High: 39 °F High: 43°F High: 24°F High: 42°F High: 28°F High: 31°F
Low: 40°F Low: 31°F Low: 3 °F Low: 18 °F Low: 13°F Low: 14°F  
Mostly Cloudy Mostly Sunny Sunny Rain & Snow Mostly Sunny Rain & Snow Mostly Sunny Mostly Sunny
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Current Conditions at
BAKER - (KBHK)
34°
Clear
as of 12:51 AM MST
Rel. Humidity: 69%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
GLENDIVE - (KGDV)
30°
Clear
as of 12:56 AM MST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
DICKINSON - (KDIK)
36°
Feels like 26°F
Clear
as of 12:56 AM MST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
15 MPH
270° West
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 29. West wind 13 to 15 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 43. West southwest wind 11 to 15 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a steady temperature around 40. West wind 17 to 26 mph, with gusts as high as 38 mph.

Sunny on Tuesday Tuesday... Sunny, with a temperature rising to near 39 by 9am, then falling to around 33 during the remainder of the day. West wind 20 to 28 mph, with gusts as high as 39 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a steady temperature around 31. Southwest wind around 17 mph.

30% chance of rain & snow Wednesday Wednesday... A chance of rain after 11am, mixing with snow after 2pm. Mostly cloudy, with a high near 43. South southwest wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 3. Northwest wind 33 to 38 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 24. Northwest wind 8 to 17 mph becoming south in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a temperature falling to near 18 by 9pm, then rising to around 29 during the remainder of the night. South southeast wind 10 to 16 mph.

20% chance of rain & snow Friday Friday... A slight chance of rain and snow. Mostly cloudy, with a high near 42. South wind 15 to 18 mph becoming west in the afternoon. Chance of precipitation is 20%.

20% chance of snow Friday Night Friday Night... A 20 percent chance of snow. Mostly cloudy, with a low around 13. West northwest wind 10 to 14 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 28. West wind around 11 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 14. Southwest wind around 10 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31. West southwest wind around 11 mph.

Sun Almanac for Ollie, Montana
Sunrise: 07:34 AM
Sunset: 4:09 PM
Civil Sunrise:06:59 AM
Civil Sunset: 4:44 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 5:23 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:00 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.